Deuteronomy 27 5
Also build a stone altar there to the Lord your God, an altar of stones. Don't use any stone tools in its construction.
Compare with other 3 random translations
GNV Deuteronomy 27:5And there shalt thou build vnto the Lord thy God an altar, euen an altar of stones: thou shalt lift none yron instrument vpon them.
ASV Deuteronomy 27:5And there shalt thou build an altar unto Jehovah thy God, an altar of stones: thou shalt lift up no iron tool upon them.
NIV Deuteronomy 27:5Build there an altar to the Lord your God, an altar of stones. Do not use any iron tool on them.